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adenocarcinoma

American

[ad-n-oh-kahr-suh-noh-muh] / ˌæd n oʊˌkɑr səˈnoʊ mə /

noun

Pathology.

plural

adenocarcinomas, adenocarcinomata

a malignant tumor arising from secretory epithelium.
a malignant tumor of glandlike structure.

adenocarcinoma British

/ ˌædɪnəʊˌkɑːsɪˈnəʊmə /

noun

a malignant tumour originating in glandular tissue
a malignant tumour with a glandlike structure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

adenocarcinomatous adjective

Etymology

Origin of adenocarcinoma

First recorded in 1885–90; adeno- + carcinoma

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ziihera, combined with chemotherapy, improves progression-free survival in patients with gastroesophageal adenocarcinoma.

From Barron's • Nov. 17, 2025

Jenks moved to Portugal last year and had been receiving treatment for adenocarcinoma, a form of stomach cancer.

From BBC • Jul. 6, 2025

Jenks has been diagnosed with Stage 4 adenocarcinoma, a form of stomach cancer.

From Los Angeles Times • Mar. 20, 2025

Furthermore, rbNPs successfully suppressed the growth of tumors in mice having aggressive adenocarcinoma in their peritoneal cavity, without any adverse effects.

From Science Daily • Apr. 22, 2024

Rather, the article said, it was “a very aggressive adenocarcinoma of the cervix,” meaning it originated from glandular tissue in her cervix instead of epithelial tissue.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023